Cochlear implantation involves making an incision behind the ear, about 3 to 3.5 cm long, burying the implant under the scalp and inserting electrodes into the cochlea.
Cochlear implantation can improve the degree of severe and very severe hearing loss and reconstruct hearing. It consists of four parts: an implanted electrode, an extracorporeal speech processor, a transmitter-receiver/stimulator, and a pickup. Hearing is produced by direct stimulation of the remaining nerve cells in the cochlea through the implanted electrodes. The external machine is attached to the outside of the scalp by a magnet and acts as a receiver of external sounds.
This surgical treatment is one of the medical devices that can restore hearing to children with total deafness, and can improve the hearing and speech functions of children with deafness or even total deafness to varying degrees.
It can help children with profound sensorineural deafness to enter normal schools and receive education, and even use the telephone to communicate, leading to their return to society and normal life.